![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://i1.rgstatic.net/ii/profile.image/279480825335815-1443644829536_Q512/Ioannis-Tollis.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/profile/Ioannis-Tollis/publication/298809254/figure/fig5/AS:801249058377732@1568044070884/An-illustration-of-a-pq-component-of-a-single-source-single-sink-DAG-Every-path-from-the_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/profile/Ioannis-Tollis/publication/333971715/figure/fig1/AS:773157581492225@1561346540824/A-dominance-drawing-with-distinct-coordinates-obtained-from-the-drawings-shown-in-Figure_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog](https://blog.tomsawyer.com/hs-fs/hubfs/Imported_Blog_Media/GraphDrawingBookDrTollie.jpg?width=382&name=GraphDrawingBookDrTollie.jpg)
Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog
Biological and Medical Data Analysis: 7th International Symposium, ISBMDA 2006, Thessaloniki, Greece, December 7-8, 2006. Proceedings | SpringerLink
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/publication/362837714/figure/fig1/AS:11431281080126999@1661138232700/FAS-percentage-for-graphs-with-increasing-number-of-nodes-and-three-different-average_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/profile/Ioannis-Tollis/publication/334735387/figure/fig1/AS:785845221089281@1564371509942/In-a-we-show-the-drawing-of-a-graph-G-as-computed-by-Tom-Sawyer-Perspectives-which_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
Graph Drawing: DIMACS International Workshop, GD '94, Princeton, New Jersey, USA, October 10 - 12, 1994. Proceedings | SpringerLink
![Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog](https://blog.tomsawyer.com/hs-fs/hubfs/Imported_Blog_Media/2017_08_30_0_TomSawyePerspectives_DoDIIS_ThankYouEmail.png?width=573&name=2017_08_30_0_TomSawyePerspectives_DoDIIS_ThankYouEmail.png)
Pioneer in Graph Analytics Technology Talks about Trends and Why Graphs Are Going Mainstream | Tom Sawyer Software Blog
![DoughNets: Visualising Networks Using Torus Wrapping | Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems DoughNets: Visualising Networks Using Torus Wrapping | Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems](https://i.ytimg.com/vi/gDBjY_tcbq8/mqdefault.jpg)
DoughNets: Visualising Networks Using Torus Wrapping | Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/profile/Ioannis-Tollis/publication/298809254/figure/fig2/AS:801249058381829@1568044070778/The-overloaded-orthogonal-drawing-of-the-graph-of-Figure-1-and-its-compacted-version_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/publication/363501944/figure/fig1/AS:11431281084152502@1663040832311/Example-of-a-DAG-G-drawn-by-our-proposed-framework-left-Same-DAG-drawn-by-the-Sugiyama_Q320.jpg)
Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile
![Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile Ioannis TOLLIS | Professor | Ph.D. Computer Science | University of Crete, Rethymno | UOC | Department of Computer Science | Research profile](https://www.researchgate.net/profile/Ioannis-Tollis/publication/332970916/figure/fig1/AS:757047423430657@1557505579104/Hierarchical-drawing-computed-by-Tom-Sawyer-Perspectives-a-tool-of-Tom-Sawyer-Software_Q320.jpg)